Home / 2,807.10-3,873.87-1,548.18

Finding the Fourth Proportional to 2,807.10, 3,873.87 and 1,548.18

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Solution

The fourth proportional to 2,807.10, 3,873.87 and 1,548.18 is: 2,136.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.10 : 3,873.87 = 1,548.18 : x
  2. Step 2: Convert to fraction form
    2,807.10/3,873.87 = 1,548.18/x
  3. Step 3: Cross multiply
    2,807.10x = 3,873.87 × 1,548.18
  4. Step 4: Simplify right side
    2,807.10x = 5,997,448.06
  5. Step 5: Solve for x
    x = 5,997,448.06/2,807.10
  6. Step 6: Final answer
    x = 2,136.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.